What is the effect of $Thyroxine$ on the metabolic rate?

Which of the following glands is associated with the consumption of iodized salt?

Deaf-mutism can be caused due to $:-$

Which of the following radioactive isotopes is used to detect thyroid cancer?

Assertion: The thyroid gland is composed of follicles and stromal tissue.
Reason: Iodine is essential for the normal rate of hormone synthesis in the thyroid.

Which of the following are $NOT$ under the control of thyroid hormone?
$A$. Maintenance of water and electrolyte balance
$B$. Regulation of basal metabolic rate
$C$. Normal rhythm of sleep-wake cycle
$D$. Development of immune system
$E$. Support the process of RBCs formation
Choose the correct answer from the options given below: